package 进阶.IO.字符流.输出流;

import java.io.FileWriter;
import java.io.IOException;

public class demo01_writer {
    public static void main(String[] args) throws IOException {
        FileWriter fw = new FileWriter("d:/a.txt",true);

        fw.write("\n");
        fw.write("hello world");
        fw.close();
    }
}
